The dating software has been uninstalled and has been texting.

Because your account number and mobile phone number are still on the platform, even if the software is uninstalled, these things are still there. It is best to directly cancel the software account before uninstalling. If the platform sends you a message after you log out, you have a legitimate reason to complain about them, and ensure that you will not be disturbed by such messages again, and your personal information will be relatively safe.